Respuesta :

The given triangle is:

From the properties of triangle,

The sum of all angle in a triangle is equal to 180 degree

In triangle ABC,

Angle A + Angle B + Angle C = 180

70 + 50 + x = 180

120 +x = 180

x = 180 -120

x = 60

The missing angle is 60 degree

Ver imagen AnaahatM58694